1078 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Ptychoparia? devinei Continued. 



Ptychoparia? devinei Walcott, Smiths. Misc. Coll., 57, No. 13, 1914, pi 350 



(gen. ref.). 

 Ozarkian? (Levis-erratics) : Point Levis, Quebec. 



Ptychoparia granulosa (Hall and Whitfield). 



Crepicephalus (Loganellus) granulosus Hall and Whitfield, U. S. Geol. Expl. 



40th Parl., 4, 1877, p. 214, pi. 2, figs. 2, 3. 



Ptychoparia granulosua Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 57. 

 Cambrian and ? Ordovician (Pogonip): Eureka District, Nevada. 



Ptychoparia haguei (Hall and Whitfield). 



Crepicephalus (Loganellus) Haguei Hall and Whitfield, U. S. Geol. Expl. 40th 



Parl., 4, 1877, p. 210, pi. 2, figs. 14, 15. 

 Ptychoparia Haguei Walcott, Bull. U. S. Geol. Surv., 10, 1884, p. 36, pi. 6, fig. 6; 



Mon. U. S. Geol. Surv., 8, 1884, p. 57. 



Liostracus haguei Brogger, Geol. Foren. Stockholm Forhandl., 8, 1886, p. 202. 

 Ptychoparia (Crepicephalus) haguei Lesley, Geol. Surv. Pennsylvania, Rep. 



P 4, 1889, p. 832, fig. 

 Cambrian and ?Ordovician (Pogonip): White Pine and Eureka Districts, Nevada. 



PTYCHOPARIA LOGANI Walcott. See Loganellus logani. 



Ptychoparia maculosa (Hall and Whitfield). 



Crepicephalus (Loganellus) maculosus Hall and Whitfield, U. S. Geol. Expl. 40th 



Parl., 4, 1877, p.. 215, pi. 2, figs. 24, 25, 26. 



Ptychoparia maculosus Walcott, Mon. U. S. Geol. Surv., 8, 1884, pp. 269, 271. 

 Cambrian and ?0rdovician (Pogonip): Eureka District, Nevada. 



Ptychoparia matheri Walcott. 



Ptychoparia matheri Walcott, Smiths. Misc. Coll., 57, 1912, p. 268, pi. 44, figs. 



15-17. 

 Upper Cambrian or Ozarkian (Potsdam): Whitehall, Washington County, New 



York. 

 Cotypes. Cat. Nos. 58585-58587, U.S.N.M. 



Ptychoparia minuta (Bradley). 



Conocephalites minutus Bradley, Amer. Jour. Sci., 2d eer., 30, 1860, pp. 241-242, 

 figs. 1-3. Billings, ibid., 2d ser., 30, 1860, pp. 242-243, pp. 337-338, figs. 

 4a-c. Bradley, Canadian Nat. Geol., 5, 1860, pp. 420-421, figs. 1-3. Billings, 

 ibid., pp. 422-425, figs. 4a-c. Bradley, Proc. Amer. Assoc. Adv. Sci., 14, 

 1861, pp. 161-163, figs. 1-3. Billings, ibid., pp. 163-166, figs. 4a-c. Hall, 

 16th Ann. Rep. New York State Cab. Nat. Hist., 1863, pp. 150, 151, pi. 8, 

 figs. 5-7; Trans. Albany Inst., 5, 1867, pp. 134-135, pi. 3, figs. 5-7. 



Ptychoparia minutus Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 91; Smiths. 

 Misc. Coll., 57, 1912, p. 267, pi. 43, figs. 20-24. 



Upper Cambrian or Ozarkian (Potsdam): Various localities in Essex, Washington, 

 and Franklin Counties, New York. 



Plesiotypes.Cat. Nos. 58567-58570, U.S.N.M. 



Ptychoparia newtonensis Weller. 



Ptychoparia newtonensis Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 117, 



pi. 3, fig. 10. 

 Upper Cambrian or Ozarkian (Kittatinny): Newton, New Jersey. 



Ptychoparia oweni (Meek and Hayden). 



Arionellus (Crepicephalus) Oweni Meek and Hayden, Proc. Acad. Nat. Sci. 

 Philadelphia, 1861, p. 436. 



